ragweed
英 [ˈræɡwiːd]
美 [ˈræɡwiːd]
n. 豚草(北美植物，绿色小花含大量花粉，可引起枯草热)
COCA.33331
牛津词典
noun
- 豚草（北美植物，绿色小花含大量花粉，可引起枯草热）
a N American plant with small green flowers that contain a lot of pollen , which causes hay fever in some people
英英释义
noun
- any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
- widespread European weed having yellow daisylike flowers
双语例句
- Methods Extract of artemisia pollen and ragweed pollen were prepared SDS-PAGE and Coomassis were used to analyze proteins.
方法制备艾蒿花粉和豚草花粉的花粉浸液，采用SDS-PAGE及考马斯亮蓝染色分析两种花粉粗浸液中的蛋白质组分； - Ragweeds reduced the individual number and community diversity of soil insects. According to the results of monthly ANOVA and LSD, in August and September the individual number and diversity indices of soil insects in the control plot without ragweeds were significantly higher than those in ragweed plots.
豚草降低了土壤昆虫的个体数量和群落多样性，根据逐月方差分析和多重比较，8月和9月对照样地土壤昆虫个体数量和多样性指数均显著高于豚草样地。 - Atopy was defined as a positive skin-prick test to mites, cat, Alternaria, Cladosporium, grass, birch, Parietaria, olive, or ragweed.
特应性定义为对螨类、链格孢属、分子孢子菌属、草、桦木、墙草属、橄榄或豚草属皮肤划痕实验阳性。 - Allergic Rhinitis Model Induced by Ragweed Pollen Allergen in Guinea Pig
豚草花粉变应原致过敏性鼻炎豚鼠模型的建立 - Limit your outside activities if you are bothered by ragweed and mold.
当你受豚草和霉菌困扰时，尽量限制户外活动。 - The following means of making a living are, according to New York City statues, illegal: the skinning of horses or cows, the growing of ragweed, and the burning of bones.
根据纽约自由雕像的宣言，下列谋生方式是不合法的：剥牛皮或马皮，种植豚草以及焚烧尸体。 - The main findings as follows: 1. The effect of the coarse material coverage which was from the different parts of False ragweed on the germination and growth of cucumber was different.
主要研究结果如下：1.假苍耳不同部位粗粉物覆盖对黄瓜生长发育的作用不同。 - Research Advance on Control of Ragweed
豚草防治研究进展 - Pollen of the ragweed plant is a common allergen.
豚草属植物的花粉是常见的过敏原。 - The effect of puddling treatment with water extracts which was from the different parts of False ragweed on the germination and growth of cucumber was different.
假苍耳不同部位水浸提液拌土处理对黄瓜生长发育的作用不同。